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Exam 400-051 topic 9 question 159 discussion

Actual exam question from Cisco's 400-051
Question #: 159
Topic #: 9
[All 400-051 Questions]

Refer to the exhibit.


A collaboration Engineer using the SHOW EIGRP service-family External-client IOS Command, noticed that a CUCM failed to register as an external SAF Client on a Cisco IOS router named SiteC-CRTR. The engineer has collected snippets of the IOS configuration screenshots and CUCM trace shown in the exhibit.
What is the reason for the registration failure?

  • A. Password mismatch between CUCM and Router SAF configuration.
  • B. sf-interface loopback0 command missing under service-family ipv4 autonomous-system 1.
  • C. SIP trunk IP address pointing to a different address than SAF Forwarder address.
  • D. Name mismatch between SAF Forwarder name info field and external-client name on router.
  • E. ip multicast-routing command missing on router configuration.
Show Suggested Answer Hide Answer
Suggested Answer: B 🗳️
by kidschannel1988 at April 3, 2025, 4:35 p.m.

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